Volume 83, Number 4, August 2008
|Number of page(s)||5|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||16 July 2008|
Hall effect between parallel quantum wires
School of Physics, Georgia Institute of Technology - Atlanta, GA 30332, USA
Accepted: 1 July 2008
We study theoretically the parallel quantum wires of the experiment by Auslaender et al. (Science, 308 (2005) 88) at low electron density. It is shown that a Hall effect as observed in two- or three-dimensional electron systems develops as the wires enter the spin-incoherent regime of small spin bandwidth. This together with magnetic-field-dependent tunneling exponents clearly identifies spin incoherence in such experiments and it serves to distinguish it from disorder effects.
PACS: 73.63.Nm – Quantum wires / 71.10.Pm – Fermions in reduced dimensions (anyons, composite fermions, Luttinger liquid, etc.) / 71.27.+a – Strongly correlated electron systems; heavy fermions
© EPLA, 2008
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